Precalculus Examples

$y = 2 \sin (\frac{π}{2})$

Step 1

The exact value of $\sin (\frac{π}{2})$ is $1$ .

$y = 2 \cdot 1$

Step 2

Multiply $2$ by $1$ .

$y = 2$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$